linux-kernel - [PATCH v10 10/12] scsi: ufshpb: Do not send umap

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Date:   Mon,  7 Jun 2021 09:13:59 +0300
From:   Avri Altman <avri.altman@....com>
To:     "James E . J . Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, Bart Van Assche <bvanassche@....org>,
        yongmyung lee <ymhungry.lee@...sung.com>,
        Daejun Park <daejun7.park@...sung.com>,
        alim.akhtar@...sung.com, asutoshd@...eaurora.org,
        Zang Leigang <zangleigang@...ilicon.com>,
        Avi Shchislowski <avi.shchislowski@....com>,
        Bean Huo <beanhuo@...ron.com>, cang@...eaurora.org,
        stanley.chu@...iatek.com, Avri Altman <avri.altman@....com>
Subject: [PATCH v10 10/12] scsi: ufshpb: Do not send umap_all in host control mode

HPB-WRITE-BUFFER with buffer-id = 0x3h is supported in device control
mode only.

Signed-off-by: Avri Altman <avri.altman@....com>
---
 drivers/scsi/ufs/ufshpb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c
index bcfdf338244b..98c107ca4a4e 100644
--- a/drivers/scsi/ufs/ufshpb.c
+++ b/drivers/scsi/ufs/ufshpb.c
@@ -2461,7 +2461,8 @@ static void ufshpb_hpb_lu_prepared(struct ufs_hba *hba)
 			ufshpb_set_state(hpb, HPB_PRESENT);
 			if ((hpb->lu_pinned_end - hpb->lu_pinned_start) > 0)
 				queue_work(ufshpb_wq, &hpb->map_work);
-			ufshpb_issue_umap_all_req(hpb);
+			if (!hpb->is_hcm)
+				ufshpb_issue_umap_all_req(hpb);
 		} else {
 			dev_err(hba->dev, "destroy HPB lu %d\n", hpb->lun);
 			ufshpb_destroy_lu(hba, sdev);
-- 
2.25.1